All Countries States Cities and Zipcodes in a Application

Question

Is there a way getting all countries, states,cities zipcodes/ in one single database.

I have been looking all over.

I discovered geonames.org, which has I guess

Answer 1

I was looking for the same and found this resource. I hope somebody serves well as me.

http://dev.mysql.com/doc/world-setup/en/index.html